74161141 has 4 divisors (see below), whose sum is σ = 74241900. Its totient is φ = 74080384.

The previous prime is 74161097. The next prime is 74161147. The reversal of 74161141 is 14116147.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17098225 + 57062916 = 4135^2 + 7554^2 .

It is a cyclic number.

It is not a de Polignac number, because 74161141 - 2¹¹ = 74159093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74161147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38986 + ... + 40843.

It is an arithmetic number, because the mean of its divisors is an integer number (18560475).

Almost surely, 2^74161141 is an apocalyptic number.

It is an amenable number.

74161141 is a deficient number, since it is larger than the sum of its proper divisors (80759).

74161141 is an equidigital number, since it uses as much as digits as its factorization.

74161141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80758.

The product of its digits is 672, while the sum is 25.

The square root of 74161141 is about 8611.6863040870. The cubic root of 74161141 is about 420.1381650501.

Adding to 74161141 its reverse (14116147), we get a palindrome (88277288).

The spelling of 74161141 in words is "seventy-four million, one hundred sixty-one thousand, one hundred forty-one".